Contingencies (Details) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2013 Huntsville Site [Member] USD ($)	Dec. 31, 2013 Groundwater Removal [Member] Norco Site [Member] USD ($)	Dec. 31, 2013 Investigation Report [Member] Huntsville Site [Member] USD ($)	Dec. 31, 2013 Tekelec Matter [Member] EUR (€)
Site Contingency [Line Items]
Litigation Settlement, Gross			$ 110,000
Settlement of legal matters		0	79,158	(5,875)
Settlement of legal matters, net of tax	48,623		48,623	(3,609)
Net of Tax, Per Share Related to Litigation Settlement Per Share Basic	$ 0.46		$ 0.45
Net of Tax, Per Share Related to Litigation Settlement Per Share Diluted	$ 0.45		$ 0.44
Recovery of Direct Costs		33,000
Net of Tax, Per Share Related to Litigation Settlement Per Share Basic and Diluted				$ 0.03
Environmental Remediation Expense To Date					4,000	44,000
Additional Expected Project Expenditures Low Estimate					3,000	17,600	500
Additional Expected Project Expenditures High Estimate					4,000	24,500	750
Loss Contingency, Range of Possible Loss, Maximum								11,333
Loss Contingency Damages Sought Value								3,742
Loss Contingency, Expenses Sought, Value								€ 312